EP0923794B1 - Elektrische kabelabschlussanordnung mit filter - Google Patents

Elektrische kabelabschlussanordnung mit filter Download PDF

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Publication number
EP0923794B1
EP0923794B1 EP97938941A EP97938941A EP0923794B1 EP 0923794 B1 EP0923794 B1 EP 0923794B1 EP 97938941 A EP97938941 A EP 97938941A EP 97938941 A EP97938941 A EP 97938941A EP 0923794 B1 EP0923794 B1 EP 0923794B1
Authority
EP
European Patent Office
Prior art keywords
cable
electrical
holes
conductors
termination according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97938941A
Other languages
English (en)
French (fr)
Other versions
EP0923794A1 (de
Inventor
Stéphane Route de Châlons HERMANT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Axon Cable SA
Original Assignee
Axon Cable SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Axon Cable SA filed Critical Axon Cable SA
Publication of EP0923794A1 publication Critical patent/EP0923794A1/de
Application granted granted Critical
Publication of EP0923794B1 publication Critical patent/EP0923794B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • H01R13/7197—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with filters integral with or fitted onto contacts, e.g. tubular filters

Definitions

  • the subject of the present invention is a cable termination electric fitted with a filter.
  • the present invention relates to a end of electric cable, in particular two-wire which is equipped with a electric filter and which can be easily connected to a component electric.
  • control system of the cushion itself 2 is produced by an igniter 4 associated with an explosive charge 6.
  • the triggering of the explosive charge is controlled by a system of load control 8 which transmits the control information from the cushion in response to the signal from a shock sensor or accelerometer 12.
  • Document DE 3 740 524 describes a cable termination equipped with a filter assembly. However, this set of filtering is part of a connector itself which includes a housing and electrical contacts.
  • An object of the present invention is to provide a electrical cable termination fitted with a filter element which meet the different conditions set out above to be, in particular but not exclusively, used to connect the system of airbag ignition control.
  • the assembly comprising the filter is very compact and has good resistance to mechanical shock due to the coating means.
  • the use of the room or pieces of ferromagnetic material that surrounds the electrical wires avoids making electrical connections between circuits conventional filtering. This avoids the cost of making these connections as well as the risks of default in said connections.
  • said set of filtering consists of a single piece made of a material ferromagnetic.
  • said single piece is pierced with two holes substantially parallel, each hole receiving one of said electrical conductors isolated.
  • said single piece is pierced with a single hole to receive the two insulated electrical conductors.
  • said set of filtering consists of two separate pieces of material ferromagnetic, each part having a hole for the passage of one of the insulated electrical conductors, said coating means surrounding the two rooms.
  • This figure shows the end 20 of the electric cable two-wire.
  • This electric cable has a sheath 22 and two electrical conductors 24 and 26 which are themselves equipped with a insulator 28.
  • the terminal portion 29 of length L of the cable is stripped partially to remove the sheath 22 and leave only the individual insulators 28 of the conductive elements 24 and 26. We obtain so in this zone 29 of length L two insulated conductors mechanically separated.
  • Electrical filtering is obtained using a cylindrical piece or pearl 32 made of a ferromagnetic material.
  • This piece cylindrical 32 has a diameter D and a thickness E.
  • the part ferromagnetic 32 is pierced with two holes parallel to its axis 34 and 36. In these holes 34 and 36, the two conductive elements are engaged sheathed, the ends of which protrude from the part 32.
  • the diameter of the holes 34 and 36 is very slightly greater than or substantially equal to the external diameter of the sheaths 28. From preferably also, the ends 26a and 24a of the elements conductors are completely stripped to allow their crimping direct to the electrical load which must be connected to cable 20.
  • a coating piece 38 which surrounds the sheath 22 in its end part as well as the cylindrical part 32.
  • This coating by overmolding is carried out using an electrically insulating material such as thermoplastic material, thermoplastic elastomer, elastomer as well as thermosets and having mechanical resistance sufficient.
  • the part of the coating 38 which surrounds the part 32 serves in in addition to its mechanical protection against shocks.
  • the pearl 32 is made in ferrite and its diameter is around 11 mm and its length around 9 mm.
  • its diameter in its terminal part is preferably of the order of 12 mm and the coating is carried out over an axial length of the order of 30 mm.
  • the filtering is of the common mode and differential mode type.
  • the part 32 made of ferromagnetic material is provided with a single hole of sufficient dimensions to allow the passage of two insulated electrical conductors.
  • the coating material 49 provides the mechanical connection between the parts 42-44 and the sheathed electric cable 20 as well as the positioning relative to parts 42 and 44 and therefore to the ends, preferably not insulated, electrical conductors 48a and 48b.
  • Figure 4 gives the equivalent electrical diagram of the electrical termination.
  • the crimps used to connect the termination electrically to the load 56 It will however of course the electrical connection with the load could be carried out differently by not preferably comprising connector itself.
  • the electrical connection could be performed by filler welding, ultrasound or electric welding.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (8)

  1. Elektrischer Kabelabschluß, ausgestattet mit einem Filter, der dadurch gekennzeichnet ist, daß er beinhaltet:
    ein elektrisches Kabel (20), das wenigstens zwei isolierte, elektrische Leiter (24,26,48a,48b) aufweist, deren Enden (24a, 26a) nicht mit einem Isolator versehen sind,
    eine Filteranordnung (32, 42, 44), die eine Ausgangsseite und einen Rand mit wenigstens einem Filterstück der Dicke E, hergestellt aus einem ferromagnetischen Material aufweist, wobei die Anordnung zwei Löcher (34, 36, 46, 47) aufweist, die die Anordnung durchqueren, um in der Ausgangsseite zu enden, wobei die Löcher einen Durchmesser aufweisen, der etwas größer ist als derjenige der elektrischen Leiter und von wenigstens den beiden isolierten Leitern durchquert werden, derart, daß die Enden der Leiter aus der Ausgangsseite vorragen; und
    Ummantelungsmittel (38, 49) aus einem elektrisch isolierenden Material, wobei die Ummantelungsmittel das Endteil des Kabels und den Rand der Filteranordnung umgeben, indem sie mit dem Kabel und der Filteranordnung verbunden sind.
  2. Abschluß nach Anspruch 1, dadurch gekennzeichnet, daß die Filteranordnung aus einem einzigen, aus einem ferromagnetischen Material hergestellten Stück (32) besteht.
  3. Abschluß nach Anspruch 2, dadurch gekennzeichnet, daß das einzige Stück (32) von zwei im wesentlichen parallelen Löchern (34, 36) durchbohrt ist, wobei jedes Loch einen der isolierten elektrischen Leiter (24, 26) aufnimmt.
  4. Abschluß nach Anspruch 1, dadurch gekennzeichnet, daß die Filteranordnung aus zwei verschiedenen Stücken (42, 44) aus ferromagnetischem Material gebildet ist, wobei jedes Stück von einem Loch (46, 47) durchbohrt ist für den Durchgang eines der isolierten elektrischen Leiter, wobei die Ummantelungsmittel (49) die beiden Stücke umgeben.
  5. Abschluß nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das elektrische Kabel (20) außerdem eine Hülse (22) aufweist, daß die Abschnitte der die Löcher durchquerenden, elektrischen Leiter nicht mit einer Hülse versehen sind, und daß das Ummantelungsmaterial (38, 49) mit der Hülse verbunden ist.
  6. Abschluß nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das ferromagnetische Material Ferrit ist.
  7. Abschluß nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Ummantelungsmittel (38, 49) durch Umgießen des Randes der Filteranordnung und des Endstücks des elektrischen Kabels mittels eines isolierenden Materials erhalten werden.
  8. Abschluß nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Ummantelungsmittel (38, 49) von einer unter Wärme schrumpfbaren Muffe erhalten werden, die die Filteranordnung und das Endteil des elektrischen Kabels umgibt.
EP97938941A 1996-09-02 1997-08-22 Elektrische kabelabschlussanordnung mit filter Expired - Lifetime EP0923794B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9610677A FR2753014B1 (fr) 1996-09-02 1996-09-02 Terminaison de cable electrique munie d'un filtre
FR9610677 1996-09-02
PCT/FR1997/001517 WO1998010491A1 (fr) 1996-09-02 1997-08-22 Terminaison de cable electrique munie d'un filtre

Publications (2)

Publication Number Publication Date
EP0923794A1 EP0923794A1 (de) 1999-06-23
EP0923794B1 true EP0923794B1 (de) 2000-11-15

Family

ID=9495353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97938941A Expired - Lifetime EP0923794B1 (de) 1996-09-02 1997-08-22 Elektrische kabelabschlussanordnung mit filter

Country Status (4)

Country Link
EP (1) EP0923794B1 (de)
DE (1) DE69703555T2 (de)
FR (1) FR2753014B1 (de)
WO (1) WO1998010491A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUA20164562A1 (it) * 2016-06-21 2017-12-21 D E M S P A Cavo elettrico con filtro

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389680U (de) * 1986-11-29 1988-06-10
US4960392A (en) * 1990-01-16 1990-10-02 Dickie Robert G Shielded connector assembly with noise suppressor
US5058172A (en) * 1990-10-31 1991-10-15 Motorola, Inc. Electromagnetic interference suppressant assembly
US5200574A (en) * 1991-04-05 1993-04-06 Morton International, Inc. Universal squib connector
DE4317344A1 (de) * 1993-05-25 1994-12-01 Framatome Connectors Int Elektrischer Steckverbinder
JP3681781B2 (ja) * 1995-02-08 2005-08-10 オリンパス株式会社 電子内視鏡

Also Published As

Publication number Publication date
FR2753014A1 (fr) 1998-03-06
FR2753014B1 (fr) 1998-11-20
WO1998010491A1 (fr) 1998-03-12
DE69703555T2 (de) 2001-06-21
DE69703555D1 (de) 2000-12-21
EP0923794A1 (de) 1999-06-23

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